4. The American Orthopedic and Ankle Society is going to conduct a survey of randomly selected working women. One of the questions is: Do you usually wear flats to work? If they wish to estimate the proportion of women who wear flats to work within a margin of error of .02 with 95% confidence, how large must their sample be? What do I know? C1 = 95% margin of error =: 02 a1 = 05 What do I want to find? Sad of wowvans piff looks doy ob sad ( sample size ) What do I expect the answer to be? hard to estimate? ant to feed out? How do I go from what I know to what I want to find out? 17 + 1,96 ( 7 ( 1 - 17 ) Does this answer seem reasonable